Home / 132,221.56-182,447.38-77,776.19

Finding the Fourth Proportional to 132,221.56, 182,447.38 and 77,776.19

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Solution

The fourth proportional to 132,221.56, 182,447.38 and 77,776.19 is: 107,320.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,221.56 : 182,447.38 = 77,776.19 : x
  2. Step 2: Convert to fraction form
    132,221.56/182,447.38 = 77,776.19/x
  3. Step 3: Cross multiply
    132,221.56x = 182,447.38 × 77,776.19
  4. Step 4: Simplify right side
    132,221.56x = 14,190,062,091.88
  5. Step 5: Solve for x
    x = 14,190,062,091.88/132,221.56
  6. Step 6: Final answer
    x = 107,320.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.